ITNotes - Page 34 of 84 - From Terminal to Cloud

Beyond the Perimeter: A 6-Month Post-Mortem on mTLS with Nginx

May 3, 2026

A deep dive into implementing Mutual TLS (mTLS) with Nginx and OpenSSL. Explore real-world performance metrics, automation strategies, and security benefits after 6 months in production.

Linux

Stop the Symlink Madness: Managing Java and Python Versions with update-alternatives

May 3, 2026

Ditch the manual symlinking. This guide shows you how to use Linux update-alternatives to master version management for Java, Python, and GCC in production.

Security

The Silent Alarm: Using Canarytokens to Detect Breaches Before the Damage Spreads

May 3, 2026

Detect breaches before the damage spreads. This guide shows you how to deploy Canarytokens—digital tripwires and decoy files that alert you to intruders with zero false positives.

Database

Migrating MySQL to PostgreSQL with pgLoader: A 2 AM Survival Guide

May 3, 2026

Migrating a production database at 2 AM is stressful. This guide shows you how to use pgLoader to automate MySQL to PostgreSQL transitions, fix data type mismatches, and resolve 'zero-date' errors.

Database

PostgreSQL Logical Replication: Selective Data Sync Without Downtime (6-Month Production Review)

May 3, 2026

A 6-month production review of PostgreSQL Logical Replication. Learn how to offload 40% of database load, handle selective syncing, and avoid common schema and disk space pitfalls.

DevOps

Distributed Tracing with Jaeger and Docker: A Field Guide for Microservices

May 3, 2026

Ditch the guesswork. This guide shows you how to implement Distributed Tracing with Jaeger and Docker, move to OpenTelemetry, and manage production-scale traffic based on real-world engineering experience.

DevOps

Stop Copy-Pasting Your Infrastructure: A Practical Guide to Terragrunt

May 2, 2026

Stop wrestling with redundant Terraform files. Discover how Terragrunt keeps your IaC clean, manages complex dependencies, and automates multi-environment deployments.

HomeLab

Proxmox GPU Passthrough Guide: Unlock Native Performance for Gaming and AI

May 2, 2026

Achieve near-native hardware performance in your virtual machines. This guide walks you through Proxmox GPU Passthrough using IOMMU and VFIO for high-end gaming and AI workloads.

Linux

Stop Using VMs: Master Distrobox for a Cleaner Linux Workflow

May 2, 2026

Ditch the heavy virtual machines. Learn how to run Arch, Fedora, and Kali Linux inside your terminal with full GUI support and native performance using Distrobox.

Beyond the ‘Vibe Check’: Quantifying RAG Performance with RAGAS

May 2, 2026

Stop relying on 'vibes' to test your AI. Learn how to use RAGAS to quantify Faithfulness, Relevancy, and Recall with automated LLM-based scoring.

Building a Production-Ready REST API with Spring Boot, Spring Security, JPA, and Docker

Building a Laravel REST API with Docker: From Zero to Production in 2024

Mastering Prometheus Alertmanager: Routing, Grouping, Inhibition, and Smart Alert Delivery to Telegram and PagerDuty

Securing IoT Devices at Home and in Your HomeLab: VLAN Segmentation, Firmware Monitoring, and Blocking Suspicious Connections

Mastering Protocol Buffers: Schema-first API Design for Multi-language Projects

Deploy FerretDB on Docker: MongoDB-Compatible Open Source Database Built on PostgreSQL

Practical Web Security: Hunting XSS, SQLi, and IDOR with Burp Suite Community

Deploy OpenCTI on Docker: Build Your Own Threat Intelligence Lab

Beyond Boolean Soup: Architecting Robust React Logic with XState

Why Is My Linux Load Average High Despite Low CPU Usage?

Beyond the Perimeter: A 6-Month Post-Mortem on mTLS with Nginx

Stop the Symlink Madness: Managing Java and Python Versions with update-alternatives

The Silent Alarm: Using Canarytokens to Detect Breaches Before the Damage Spreads

Migrating MySQL to PostgreSQL with pgLoader: A 2 AM Survival Guide

PostgreSQL Logical Replication: Selective Data Sync Without Downtime (6-Month Production Review)

Distributed Tracing with Jaeger and Docker: A Field Guide for Microservices

Stop Copy-Pasting Your Infrastructure: A Practical Guide to Terragrunt

Proxmox GPU Passthrough Guide: Unlock Native Performance for Gaming and AI

Stop Using VMs: Master Distrobox for a Cleaner Linux Workflow

Beyond the ‘Vibe Check’: Quantifying RAG Performance with RAGAS